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Finding the Third Proportional to 16,332.63 and 35,779

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Solution

The third proportional to 16,332.63 and 35,779 is: 78,379.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,332.63 : 35,779 = 35,779 : x
  2. Step 2: Convert to fraction form
    16,332.63/35,779 = 35,779/x
  3. Step 3: Cross multiply
    16,332.63x = 35,779 × 35,779
  4. Step 4: Simplify right side
    16,332.63x = 1,280,136,841
  5. Step 5: Solve for x
    x = 1,280,136,841/16,332.63
  6. Step 6: Final answer
    x = 78,379.12

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.